AnimatGuiCtrls.Controls.ComboTreeBox.GetNextDisplayedNode C# (CSharp) Method

        private ComboTreeNode GetNextDisplayedNode()
        {
            bool started = false;
            IEnumerator<ComboTreeNode> e = GetNodesRecursive(nodes, false);
            while (e.MoveNext()) {
                if (started || (selectedNode == null)) {
                    if (IsNodeVisible(e.Current)) return e.Current;
                }
                else if (e.Current == selectedNode) {
                    started = true;
                }
            }

            return null;
        }